Mission Statement

PQIA’s mission is to serve the consumer of lubricants by testing and reporting on the quality and integrity of lubricants in the marketplace. 

It is expected that this improved visibility of quality will lead to wider conformance by lubricant manufacturers to specification and performance claims.

Featured Story

Buying Motor Oil Online

While this is a very efficient and easy way to shop, the Petroleum Quality Institute of America advises consumers to take the time to look for the specifications the product meets when buying motor oil online. If not shown on the first screen, click or scroll for more details before adding motor oil to your cart.

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Recent News

PQIA Test Results in on two motor oils formulated for classic and muscle cars, and one with POE-PAO baseoil

The following are test results on two samples of motor oil formulated for use in classic cars, muscle cars and other older model vehicles with engines that have flat tappet cams, lifters & pushrods. These products contain higher levels of the antiwear additive ZDDP than that in motor oils formulated for use in most cars currently on the road. For more about such motor oils, see PQIA article, Motor Oils for Classic and Vintage Cars.

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PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY/PASSENGER CAR MOTOR OIL Passenger car motor oil is the lifeblood of your engine. In addition to lubricating moving

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PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY/AUTOMATIC TRANSMISSION FLUID Automatic Transmission Fluids are carefully balanced to lubricate and protect your transmission while providing smooth and

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PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY FOR ANTIFREEZE & COOLANT Antifreeze/coolant is critical for protecting engines. The primary function of the fluid is keep

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